From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EC564C43334 for ; Thu, 9 Jun 2022 05:06:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237023AbiFIFGf (ORCPT ); Thu, 9 Jun 2022 01:06:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237989AbiFIFGb (ORCPT ); Thu, 9 Jun 2022 01:06:31 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A449E994FE for ; Wed, 8 Jun 2022 22:06:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=d9gxlHADcAR3dZ8bJB1PHcB/bh00hLGGE8frKxME3zs=; b=iYQQqCAPXVCNNcBSd6/LN/ZjOV 4Alol9GUeSmGyzdwdlE2wivpQEGbeGaFCez4O4B9XQgEFOhzNeD6JL12swx/rzZWvXefaKapSNw1m PlpQsdA2Rbx6KyzlL0eEyHocUVn+n7Msu0brZwHLrA+TYfR25AGMrAH+zJOkn4YHdPffVSr4AWcvr Ogo5wx4xPZPyn4DuIRkgBiWhIA1AUImP/tMbpPGYEGa8/IWmqJcC1Dvbs8BRthWMT3KabUBUsh/qY 1CnWC/FK2QJFrR/WIBhNFqsuku35MV9OojHHBK1lVY21/f4WGxtvUD/SrGBFPoqGneEadMZp6sovO C4iNnF2w==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nzANC-00GnAv-9y; Thu, 09 Jun 2022 05:06:22 +0000 Date: Wed, 8 Jun 2022 22:06:22 -0700 From: Christoph Hellwig To: Dongli Zhang Cc: iommu@lists.linux-foundation.org, xen-devel@lists.xenproject.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org, hch@infradead.org, m.szyprowski@samsung.com, jgross@suse.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, sstabellini@kernel.org, mpe@ellerman.id.au, konrad.wilk@oracle.com, mst@redhat.com, jasowang@redhat.com, joe.jin@oracle.com Subject: Re: [PATCH RFC v1 5/7] swiotlb: add interface to set dev->dma_io_tlb_mem Message-ID: References: <20220609005553.30954-1-dongli.zhang@oracle.com> <20220609005553.30954-6-dongli.zhang@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220609005553.30954-6-dongli.zhang@oracle.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This should be handled under the hood without the driver even knowing.